Base | Representation |
---|---|
bin | 111011110000100101… |
… | …111000111100000100 |
3 | 20010121211122212100110 |
4 | 323300211320330010 |
5 | 2022402444202112 |
6 | 45251044113020 |
7 | 4431044025225 |
oct | 736045707404 |
9 | 203554585313 |
10 | 64166006532 |
11 | 25238046471 |
12 | 10529095770 |
13 | 6087893304 |
14 | 3169c9b24c |
15 | 1a0836a13c |
hex | ef0978f04 |
64166006532 has 24 divisors (see below), whose sum is σ = 149727980416. Its totient is φ = 21387626208.
The previous prime is 64166006519. The next prime is 64166006537. The reversal of 64166006532 is 23560066146.
64166006532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (64166006537) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150258 + ... + 388470.
Almost surely, 264166006532 is an apocalyptic number.
It is an amenable number.
64166006532 is an abundant number, since it is smaller than the sum of its proper divisors (85561973884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64166006532 is a wasteful number, since it uses less digits than its factorization.
64166006532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260667 (or 260665 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 39.
The spelling of 64166006532 in words is "sixty-four billion, one hundred sixty-six million, six thousand, five hundred thirty-two".
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